TY - JOUR AU - Reich, Hanna AU - Rief, Winfried AU - Brähler, Elmar AU - Mewes, Ricarda PY - 2018 DA - 2018/06/05 TI - Cross-cultural validation of the German and Turkish versions of the PHQ-9: an IRT approach JO - BMC Psychology SP - 26 VL - 6 IS - 1 AB - The Patient Health Questionnaire’s depression module (PHQ-9) is a widely used screening tool to assess depressive disorders. However, cross-linguistic and cross-cultural validation of the PHQ-9 is mostly lacking. This study investigates whether scores on the German and Turkish versions of the PHQ-9 are comparable. SN - 2050-7283 UR - https://doi.org/10.1186/s40359-018-0238-z DO - 10.1186/s40359-018-0238-z ID - Reich2018 ER -